From: Omar Sandoval <osandov@xxxxxx>
blk_alloc_queue_node() already allocates q->stats, so
blk_mq_init_allocated_queue() is overwriting it with a new allocation.
Fixes: a83b576c9c25 ("block: fix stacked driver stats init and free")
Signed-off-by: Omar Sandoval <osandov@xxxxxx>
---
block/blk-mq.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c212b9644a9f..9c6b39bd8358 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2212,10 +2212,6 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
/* mark the queue as mq asap */
q->mq_ops = set->ops;
- q->stats = blk_alloc_queue_stats();
- if (!q->stats)
- goto err_exit;
-
q->poll_cb = blk_stat_alloc_callback(blk_mq_poll_stats_fn,
blk_stat_rq_ddir, 2, q);
if (!q->poll_cb)
--
2.12.1
